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-rw-r--r--src/lj_cdata.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/src/lj_cdata.c b/src/lj_cdata.c
index 10f4809c..aa3bd1a5 100644
--- a/src/lj_cdata.c
+++ b/src/lj_cdata.c
@@ -9,7 +9,6 @@
9 9
10#include "lj_gc.h" 10#include "lj_gc.h"
11#include "lj_err.h" 11#include "lj_err.h"
12#include "lj_str.h"
13#include "lj_tab.h" 12#include "lj_tab.h"
14#include "lj_ctype.h" 13#include "lj_ctype.h"
15#include "lj_cconv.h" 14#include "lj_cconv.h"
@@ -27,12 +26,12 @@ GCcdata *lj_cdata_newref(CTState *cts, const void *p, CTypeID id)
27} 26}
28 27
29/* Allocate variable-sized or specially aligned C data object. */ 28/* Allocate variable-sized or specially aligned C data object. */
30GCcdata *lj_cdata_newv(CTState *cts, CTypeID id, CTSize sz, CTSize align) 29GCcdata *lj_cdata_newv(lua_State *L, CTypeID id, CTSize sz, CTSize align)
31{ 30{
32 global_State *g; 31 global_State *g;
33 MSize extra = sizeof(GCcdataVar) + sizeof(GCcdata) + 32 MSize extra = sizeof(GCcdataVar) + sizeof(GCcdata) +
34 (align > CT_MEMALIGN ? (1u<<align) - (1u<<CT_MEMALIGN) : 0); 33 (align > CT_MEMALIGN ? (1u<<align) - (1u<<CT_MEMALIGN) : 0);
35 char *p = lj_mem_newt(cts->L, extra + sz, char); 34 char *p = lj_mem_newt(L, extra + sz, char);
36 uintptr_t adata = (uintptr_t)p + sizeof(GCcdataVar) + sizeof(GCcdata); 35 uintptr_t adata = (uintptr_t)p + sizeof(GCcdataVar) + sizeof(GCcdata);
37 uintptr_t almask = (1u << align) - 1u; 36 uintptr_t almask = (1u << align) - 1u;
38 GCcdata *cd = (GCcdata *)(((adata + almask) & ~almask) - sizeof(GCcdata)); 37 GCcdata *cd = (GCcdata *)(((adata + almask) & ~almask) - sizeof(GCcdata));
@@ -40,7 +39,7 @@ GCcdata *lj_cdata_newv(CTState *cts, CTypeID id, CTSize sz, CTSize align)
40 cdatav(cd)->offset = (uint16_t)((char *)cd - p); 39 cdatav(cd)->offset = (uint16_t)((char *)cd - p);
41 cdatav(cd)->extra = extra; 40 cdatav(cd)->extra = extra;
42 cdatav(cd)->len = sz; 41 cdatav(cd)->len = sz;
43 g = cts->g; 42 g = G(L);
44 setgcrefr(cd->nextgc, g->gc.root); 43 setgcrefr(cd->nextgc, g->gc.root);
45 setgcref(g->gc.root, obj2gco(cd)); 44 setgcref(g->gc.root, obj2gco(cd));
46 newwhite(g, obj2gco(cd)); 45 newwhite(g, obj2gco(cd));
@@ -76,21 +75,20 @@ void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd)
76 } 75 }
77} 76}
78 77
79TValue * LJ_FASTCALL lj_cdata_setfin(lua_State *L, GCcdata *cd) 78void lj_cdata_setfin(lua_State *L, GCcdata *cd, GCobj *obj, uint32_t it)
80{ 79{
81 global_State *g = G(L); 80 GCtab *t = ctype_ctsG(G(L))->finalizer;
82 GCtab *t = ctype_ctsG(g)->finalizer;
83 if (gcref(t->metatable)) { 81 if (gcref(t->metatable)) {
84 /* Add cdata to finalizer table, if still enabled. */ 82 /* Add cdata to finalizer table, if still enabled. */
85 TValue *tv, tmp; 83 TValue *tv, tmp;
86 setcdataV(L, &tmp, cd); 84 setcdataV(L, &tmp, cd);
87 lj_gc_anybarriert(L, t); 85 lj_gc_anybarriert(L, t);
88 tv = lj_tab_set(L, t, &tmp); 86 tv = lj_tab_set(L, t, &tmp);
89 cd->marked |= LJ_GC_CDATA_FIN; 87 setgcV(L, tv, obj, it);
90 return tv; 88 if (!tvisnil(tv))
91 } else { 89 cd->marked |= LJ_GC_CDATA_FIN;
92 /* Otherwise return dummy TValue. */ 90 else
93 return &g->tmptv; 91 cd->marked &= ~LJ_GC_CDATA_FIN;
94 } 92 }
95} 93}
96 94